Year: 2024
Topic: System of particles and rotational motion
Time :
1.
The moment of inertia of a thin rod about an axis passing through its mid point and perpendicular to the rod is 2400 gcm
2
. The length of the 400 g rod is nearly:
(1). 8.5
(2). 17.5
(3). 20.7
(4). 72.0